Table 4.
Tissue injury in two periods (%).
| Tissue | Backgrounds | Before lockdown | During lockdown | ||
|---|---|---|---|---|---|
| Muscle† | AMS | 45.1% | 61.5% | 48.4% | 47.0% |
| USAMS | 61.8%† | (M > J)† | 47.8% | (Be > Du)† | |
| USHS | 63.8%† | 54.4% | |||
| Bone | AMS | 17.1% | 17.2% | 14.7% | 16.0% |
| USAMS | 22.5% | 23.9% | |||
| USHS | 15.6% | 13.7% | |||
| Joint/ligament† | AMS | 51.2% | 50.7% | 50.5% | 46.5% |
| USAMS | 46.6% | 43.3% | |||
| USHS | 51.9 | 45.6% | |||
| Tendon | AMS | 15.9% | 11.9% | 6.3% | 11.1% |
| USAMS | 12.4% | 17.9% | |||
| USHS | 11.1% | 11.0% | |||
| Other | AMS | 11.0% | 7.0% | 7.4% | 5.8% |
| USAMS | 9.0% | 6.0% | |||
| USHS | 5.8% | 5.0% | |||
†
p < 0.01.
AMS, Affiliation Middle School students; USAMS, University but previous trained at affiliate school; USHS, University but previous trained at high school; M, Muscle injury, J, Joint/Ligament injury; Be, Before lockdown; Du, During lockdown.